626723042 has 16 divisors (see below), whose sum is σ = 1027620000. Its totient is φ = 284298240.

The previous prime is 626723033. The next prime is 626723081. The reversal of 626723042 is 240327626.

It is an unprimeable number.

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, 17567 + ... + 39522.

It is an arithmetic number, because the mean of its divisors is an integer number (64226250).

Almost surely, 2^626723042 is an apocalyptic number.

626723042 is a deficient number, since it is larger than the sum of its proper divisors (400896958).

626723042 is a wasteful number, since it uses less digits than its factorization.

626723042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57601.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 626723042 is about 25034.4371216930. The cubic root of 626723042 is about 855.7729485223.

The spelling of 626723042 in words is "six hundred twenty-six million, seven hundred twenty-three thousand, forty-two".