742995620 has 24 divisors (see below), whose sum is σ = 1562009400. Its totient is φ = 296870912.

The previous prime is 742995619. The next prime is 742995623. The reversal of 742995620 is 26599247.

It can be written as a sum of positive squares in 4 ways, for example, as 26790976 + 716204644 = 5176^2 + 26762^2 .

It is not an unprimeable number, because it can be changed into a prime (742995623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1415 + ... + 38574.

It is an arithmetic number, because the mean of its divisors is an integer number (65083725).

Almost surely, 2^742995620 is an apocalyptic number.

It is an amenable number.

742995620 is an abundant number, since it is smaller than the sum of its proper divisors (819013780).

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

742995620 is a wasteful number, since it uses less digits than its factorization.

742995620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40927 (or 40925 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 742995620 is about 27257.9459974518. The cubic root of 742995620 is about 905.7230447736.

The spelling of 742995620 in words is "seven hundred forty-two million, nine hundred ninety-five thousand, six hundred twenty".