403672734 has 80 divisors (see below), whose sum is σ = 933787008. Its totient is φ = 130264848.

The previous prime is 403672729. The next prime is 403672739. The reversal of 403672734 is 437276304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (403672729) and next prime (403672739).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403672739) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1163149 + ... + 1163495.

Almost surely, 2^403672734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403672734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466893504).

403672734 is an abundant number, since it is smaller than the sum of its proper divisors (530114274).

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

403672734 is a wasteful number, since it uses less digits than its factorization.

403672734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571 (or 562 counting only the distinct ones).

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

The square root of 403672734 is about 20091.6085468536. The cubic root of 403672734 is about 739.0545107599.

The spelling of 403672734 in words is "four hundred three million, six hundred seventy-two thousand, seven hundred thirty-four".