747242402 has 16 divisors (see below), whose sum is σ = 1128391992. Its totient is φ = 371120640.

The previous prime is 747242399. The next prime is 747242407. The reversal of 747242402 is 204242747.

It can be written as a sum of positive squares in 4 ways, for example, as 640140601 + 107101801 = 25301^2 + 10349^2 .

It is not an unprimeable number, because it can be changed into a prime (747242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193652 + ... + 197472.

Almost surely, 2^747242402 is an apocalyptic number.

747242402 is a deficient number, since it is larger than the sum of its proper divisors (381149590).

747242402 is a wasteful number, since it uses less digits than its factorization.

747242402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453.

The product of its (nonzero) digits is 25088, while the sum is 32.

The square root of 747242402 is about 27335.7348904323. The cubic root of 747242402 is about 907.4453981876.

The spelling of 747242402 in words is "seven hundred forty-seven million, two hundred forty-two thousand, four hundred two".