673390742 has 32 divisors (see below), whose sum is σ = 1100651520. Its totient is φ = 307812960.

The previous prime is 673390717. The next prime is 673390769. The reversal of 673390742 is 247093376.

It is a super-2 number, since 2×673390742² = 906910182822621128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673390742.

It is a congruent number.

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, 615548 + ... + 616640.

It is an arithmetic number, because the mean of its divisors is an integer number (34395360).

Almost surely, 2^673390742 is an apocalyptic number.

673390742 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

673390742 is a deficient number, since it is larger than the sum of its proper divisors (427260778).

673390742 is a wasteful number, since it uses less digits than its factorization.

673390742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668.

The product of its (nonzero) digits is 190512, while the sum is 41.

The square root of 673390742 is about 25949.7734479513. The cubic root of 673390742 is about 876.5076557844.

The spelling of 673390742 in words is "six hundred seventy-three million, three hundred ninety thousand, seven hundred forty-two".