742438522 has 32 divisors (see below), whose sum is σ = 1331862912. Its totient is φ = 303735744.

The previous prime is 742438517. The next prime is 742438549. The reversal of 742438522 is 225834247.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 13933 + ... + 40975.

It is an arithmetic number, because the mean of its divisors is an integer number (41620716).

Almost surely, 2^742438522 is an apocalyptic number.

742438522 is a deficient number, since it is larger than the sum of its proper divisors (589424390).

742438522 is a wasteful number, since it uses less digits than its factorization.

742438522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27142.

The product of its digits is 107520, while the sum is 37.

The square root of 742438522 is about 27247.7250793530. The cubic root of 742438522 is about 905.4966178399.

The spelling of 742438522 in words is "seven hundred forty-two million, four hundred thirty-eight thousand, five hundred twenty-two".