1064742372 has 36 divisors (see below), whose sum is σ = 2694444480. Its totient is φ = 354516912.

The previous prime is 1064742361. The next prime is 1064742383. The reversal of 1064742372 is 2732474601.

1064742372 is a `hidden beast` number, since 1 + 0 + 647 + 4 + 2 + 3 + 7 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1064742361) and next prime (1064742383).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1064742372² = 2267352637464372768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16993 + ... + 49175.

It is an arithmetic number, because the mean of its divisors is an integer number (74845680).

Almost surely, 2^1064742372 is an apocalyptic number.

1064742372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1064742372 is an abundant number, since it is smaller than the sum of its proper divisors (1629702108).

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

1064742372 is a wasteful number, since it uses less digits than its factorization.

1064742372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33112 (or 33107 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 1064742372 is about 32630.3903133260. The cubic root of 1064742372 is about 1021.1311211974.

The spelling of 1064742372 in words is "one billion, sixty-four million, seven hundred forty-two thousand, three hundred seventy-two".