745617480 has 32 divisors (see below), whose sum is σ = 2236852800. Its totient is φ = 198831296.

The previous prime is 745617461. The next prime is 745617491. The reversal of 745617480 is 84716547.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 3106620 + ... + 3106859.

It is an arithmetic number, because the mean of its divisors is an integer number (69901650).

Almost surely, 2^745617480 is an apocalyptic number.

It is an amenable number.

745617480 is an abundant number, since it is smaller than the sum of its proper divisors (1491235320).

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

745617480 is a wasteful number, since it uses less digits than its factorization.

745617480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6213493 (or 6213489 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 745617480 is about 27305.9971434848. The cubic root of 745617480 is about 906.7871565889.

The spelling of 745617480 in words is "seven hundred forty-five million, six hundred seventeen thousand, four hundred eighty".