745516770 has 32 divisors (see below), whose sum is σ = 1802122560. Its totient is φ = 197373120.

The previous prime is 745516769. The next prime is 745516771. The reversal of 745516770 is 77615547.

It is an interprime number because it is at equal distance from previous prime (745516769) and next prime (745516771).

It is not an unprimeable number, because it can be changed into a prime (745516771) 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, 85221 + ... + 93560.

It is an arithmetic number, because the mean of its divisors is an integer number (56316330).

Almost surely, 2^745516770 is an apocalyptic number.

745516770 is an abundant number, since it is smaller than the sum of its proper divisors (1056605790).

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

745516770 is a wasteful number, since it uses less digits than its factorization.

745516770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178930.

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

The square root of 745516770 is about 27304.1529808196. The cubic root of 745516770 is about 906.7463283944.

The spelling of 745516770 in words is "seven hundred forty-five million, five hundred sixteen thousand, seven hundred seventy".