3701686725 has 36 divisors (see below), whose sum is σ = 7232876352. Its totient is φ = 1794756000.

The previous prime is 3701686697. The next prime is 3701686733. The reversal of 3701686725 is 5276861073.

It is not a de Polignac number, because 3701686725 - 2¹⁷ = 3701555653 is a prime.

It is a super-2 number, since 2×3701686725² = 27404969220082451250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 35 ways as a sum of consecutive naturals, for example, 745341 + ... + 750290.

It is an arithmetic number, because the mean of its divisors is an integer number (200913232).

Almost surely, 2^3701686725 is an apocalyptic number.

It is an amenable number.

3701686725 is a deficient number, since it is larger than the sum of its proper divisors (3531189627).

3701686725 is a wasteful number, since it uses less digits than its factorization.

3701686725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495658 (or 1495650 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3701686725 is about 60841.4885172939. The cubic root of 3701686725 is about 1546.9153672967.

The spelling of 3701686725 in words is "three billion, seven hundred one million, six hundred eighty-six thousand, seven hundred twenty-five".