745152173070 has 32 divisors (see below), whose sum is σ = 1791464676768. Its totient is φ = 198362861568.

The previous prime is 745152173069. The next prime is 745152173083. The reversal of 745152173070 is 70371251547.

It is a super-2 number, since 2×745152173070² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21506439 + ... + 21541058.

It is an arithmetic number, because the mean of its divisors is an integer number (55983271149).

Almost surely, 2^745152173070 is an apocalyptic number.

745152173070 is an abundant number, since it is smaller than the sum of its proper divisors (1046312503698).

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

745152173070 is a wasteful number, since it uses less digits than its factorization.

745152173070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43048084.

The product of its (nonzero) digits is 205800, while the sum is 42.

The spelling of 745152173070 in words is "seven hundred forty-five billion, one hundred fifty-two million, one hundred seventy-three thousand, seventy".