3672731 has 8 divisors (see below), whose sum is σ = 3994560. Its totient is φ = 3362688.

The previous prime is 3672727. The next prime is 3672733. The reversal of 3672731 is 1372763.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3672731 - 2² = 3672727 is a prime.

It is a super-2 number, since 2×3672731² = 26977905996722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3672694 and 3672703.

It is not an unprimeable number, because it can be changed into a prime (3672733) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 3548.

It is an arithmetic number, because the mean of its divisors is an integer number (499320).

Almost surely, 2^3672731 is an apocalyptic number.

3672731 is a deficient number, since it is larger than the sum of its proper divisors (321829).

3672731 is a wasteful number, since it uses less digits than its factorization.

3672731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893.

The product of its digits is 5292, while the sum is 29.

The square root of 3672731 is about 1916.4370587108. The cubic root of 3672731 is about 154.2871322703.

Subtracting from 3672731 its reverse (1372763), we obtain a cube (2299968 = 132³).

The spelling of 3672731 in words is "three million, six hundred seventy-two thousand, seven hundred thirty-one".