745805952 has 48 divisors (see below), whose sum is σ = 2146137630. Its totient is φ = 248601600.

The previous prime is 745805933. The next prime is 745805959. The reversal of 745805952 is 259508547.

745805952 is a `hidden beast` number, since 7 + 4 + 58 + 0 + 595 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 486467136 + 259338816 = 22056^2 + 16104^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 745805898 and 745805907.

It is not an unprimeable number, because it can be changed into a prime (745805959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 322549 + ... + 324852.

Almost surely, 2^745805952 is an apocalyptic number.

745805952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

745805952 is an abundant number, since it is smaller than the sum of its proper divisors (1400331678).

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

745805952 is a wasteful number, since it uses less digits than its factorization.

745805952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647421 (or 647406 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The square root of 745805952 is about 27309.4480354327. The cubic root of 745805952 is about 906.8635539354.

The spelling of 745805952 in words is "seven hundred forty-five million, eight hundred five thousand, nine hundred fifty-two".