38573731 has 12 divisors (see below), whose sum is σ = 47512008. Its totient is φ = 31117632.

The previous prime is 38573719. The next prime is 38573753. The reversal of 38573731 is 13737583.

It is not a de Polignac number, because 38573731 - 2¹¹ = 38571683 is a prime.

It is a super-2 number, since 2×38573731² = 2975865446520722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38573701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22321 + ... + 23986.

It is an arithmetic number, because the mean of its divisors is an integer number (3959334).

Almost surely, 2^38573731 is an apocalyptic number.

38573731 is a deficient number, since it is larger than the sum of its proper divisors (8938277).

38573731 is a wasteful number, since it uses less digits than its factorization.

38573731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46338 (or 46331 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 38573731 is about 6210.7753944254. The cubic root of 38573731 is about 337.8810868649.

It can be divided in two parts, 38573 and 731, that added together give a cube (39304 = 34³).

The spelling of 38573731 in words is "thirty-eight million, five hundred seventy-three thousand, seven hundred thirty-one".