1634995752 has 128 divisors (see below), whose sum is σ = 4690828800. Its totient is φ = 470714112.

The previous prime is 1634995699. The next prime is 1634995759. The reversal of 1634995752 is 2575994361.

It is a super-2 number, since 2×1634995752² = 5346422218116091008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1634995695 and 1634995704.

It is not an unprimeable number, because it can be changed into a prime (1634995759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 490363 + ... + 493685.

It is an arithmetic number, because the mean of its divisors is an integer number (36647100).

Almost surely, 2^1634995752 is an apocalyptic number.

1634995752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1634995752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2345414400).

1634995752 is an abundant number, since it is smaller than the sum of its proper divisors (3055833048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1634995752 is a wasteful number, since it uses less digits than its factorization.

1634995752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3447 (or 3443 counting only the distinct ones).

The product of its digits is 2041200, while the sum is 51.

The square root of 1634995752 is about 40435.0807097006. The cubic root of 1634995752 is about 1178.0730188230.

It can be divided in two parts, 16349 and 95752, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 1634995752 in words is "one billion, six hundred thirty-four million, nine hundred ninety-five thousand, seven hundred fifty-two".