740579820 has 24 divisors (see below), whose sum is σ = 2073623664. Its totient is φ = 197487936.

The previous prime is 740579809. The next prime is 740579821. The reversal of 740579820 is 28975047.

It is not an unprimeable number, because it can be changed into a prime (740579821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171439 + ... + 6171558.

It is an arithmetic number, because the mean of its divisors is an integer number (86400986).

Almost surely, 2^740579820 is an apocalyptic number.

It is an amenable number.

740579820 is an abundant number, since it is smaller than the sum of its proper divisors (1333043844).

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

740579820 is a wasteful number, since it uses less digits than its factorization.

740579820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343009 (or 12343007 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 740579820 is about 27213.5962342356. The cubic root of 740579820 is about 904.7403465390.

The spelling of 740579820 in words is "seven hundred forty million, five hundred seventy-nine thousand, eight hundred twenty".