745580052 has 120 divisors (see below), whose sum is σ = 2324547456. Its totient is φ = 203746752.

The previous prime is 745580047. The next prime is 745580107. The reversal of 745580052 is 250085547.

It is a happy number.

745580052 is a `hidden beast` number, since 74 + 5 + 580 + 0 + 5 + 2 = 666.

It is a super-2 number, since 2×745580052² = 1111779227880645408, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 745579989 and 745580016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45018 + ... + 59310.

Almost surely, 2^745580052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 745580052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162273728).

745580052 is an abundant number, since it is smaller than the sum of its proper divisors (1578967404).

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

745580052 is a wasteful number, since it uses less digits than its factorization.

745580052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14339 (or 14328 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 745580052 is about 27305.3117909318. The cubic root of 745580052 is about 906.7719835730.

The spelling of 745580052 in words is "seven hundred forty-five million, five hundred eighty thousand, fifty-two".