745072051 has 16 divisors (see below), whose sum is σ = 803531520. Its totient is φ = 689119200.

The previous prime is 745072037. The next prime is 745072067. The reversal of 745072051 is 150270547.

It is a cyclic number.

It is not a de Polignac number, because 745072051 - 2⁵ = 745072019 is a prime.

It is a super-2 number, since 2×745072051² = 1110264722362693202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (745072451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96160 + ... + 103618.

It is an arithmetic number, because the mean of its divisors is an integer number (50220720).

Almost surely, 2^745072051 is an apocalyptic number.

745072051 is a deficient number, since it is larger than the sum of its proper divisors (58459469).

745072051 is a wasteful number, since it uses less digits than its factorization.

745072051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 745072051 is about 27296.0079681993. The cubic root of 745072051 is about 906.5659937390.

The spelling of 745072051 in words is "seven hundred forty-five million, seventy-two thousand, fifty-one".