672403734 has 16 divisors (see below), whose sum is σ = 1494230640. Its totient is φ = 224134560.

The previous prime is 672403727. The next prime is 672403741. The reversal of 672403734 is 437304276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (672403727) and next prime (672403741).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6225907 + ... + 6226014.

It is an arithmetic number, because the mean of its divisors is an integer number (93389415).

Almost surely, 2^672403734 is an apocalyptic number.

672403734 is an abundant number, since it is smaller than the sum of its proper divisors (821826906).

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

672403734 is a wasteful number, since it uses less digits than its factorization.

672403734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12451932 (or 12451926 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

The square root of 672403734 is about 25930.7488129441. The cubic root of 672403734 is about 876.0792056361.

The spelling of 672403734 in words is "six hundred seventy-two million, four hundred three thousand, seven hundred thirty-four".