745770070732 has 24 divisors (see below), whose sum is σ = 1361999118816. Its totient is φ = 356631230208.

The previous prime is 745770070667. The next prime is 745770070789. The reversal of 745770070732 is 237070077547.

745770070732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×745770070732² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333508 + ... + 1266004.

It is an arithmetic number, because the mean of its divisors is an integer number (56749963284).

Almost surely, 2^745770070732 is an apocalyptic number.

It is an amenable number.

745770070732 is a deficient number, since it is larger than the sum of its proper divisors (616229048084).

745770070732 is a wasteful number, since it uses less digits than its factorization.

745770070732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941217 (or 941215 counting only the distinct ones).

The product of its (nonzero) digits is 2016840, while the sum is 49.

The spelling of 745770070732 in words is "seven hundred forty-five billion, seven hundred seventy million, seventy thousand, seven hundred thirty-two".