748687620 has 48 divisors (see below), whose sum is σ = 2145084480. Its totient is φ = 195006336.

The previous prime is 748687607. The next prime is 748687631. The reversal of 748687620 is 26786847.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 748687620.

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, 142515 + ... + 147674.

It is an arithmetic number, because the mean of its divisors is an integer number (44689260).

Almost surely, 2^748687620 is an apocalyptic number.

It is an amenable number.

748687620 is an abundant number, since it is smaller than the sum of its proper divisors (1396396860).

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

748687620 is a wasteful number, since it uses less digits than its factorization.

748687620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290244 (or 290242 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 748687620 is about 27362.1567132417. The cubic root of 748687620 is about 908.0300419592.

The spelling of 748687620 in words is "seven hundred forty-eight million, six hundred eighty-seven thousand, six hundred twenty".