745632480 has 48 divisors (see below), whose sum is σ = 2348743824. Its totient is φ = 198835200.

The previous prime is 745632451. The next prime is 745632493. The reversal of 745632480 is 84236547.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 776221 + ... + 777180.

It is an arithmetic number, because the mean of its divisors is an integer number (48932163).

Almost surely, 2^745632480 is an apocalyptic number.

It is an amenable number.

745632480 is an abundant number, since it is smaller than the sum of its proper divisors (1603111344).

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

745632480 is a wasteful number, since it uses less digits than its factorization.

745632480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553419 (or 1553411 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 745632480 is about 27306.2718070410. The cubic root of 745632480 is about 906.7932373280.

The spelling of 745632480 in words is "seven hundred forty-five million, six hundred thirty-two thousand, four hundred eighty".