740863620 has 72 divisors (see below), whose sum is σ = 2568331584. Its totient is φ = 169339968.

The previous prime is 740863579. The next prime is 740863639. The reversal of 740863620 is 26368047.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 292734 + ... + 295253.

It is an arithmetic number, because the mean of its divisors is an integer number (35671272).

Almost surely, 2^740863620 is an apocalyptic number.

740863620 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

740863620 is an abundant number, since it is smaller than the sum of its proper divisors (1827467964).

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

740863620 is a wasteful number, since it uses less digits than its factorization.

740863620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588009 (or 588004 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 740863620 is about 27218.8100401175. The cubic root of 740863620 is about 904.8559012759.

The spelling of 740863620 in words is "seven hundred forty million, eight hundred sixty-three thousand, six hundred twenty".