37799949 has 32 divisors (see below), whose sum is σ = 58383360. Its totient is φ = 21573360.

The previous prime is 37799941. The next prime is 37799953. The reversal of 37799949 is 94999773.

It is not a de Polignac number, because 37799949 - 2³ = 37799941 is a prime.

It is a super-2 number, since 2×37799949² = 2857672288805202, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37799941) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 226264 + ... + 226430.

It is an arithmetic number, because the mean of its divisors is an integer number (1824480).

Almost surely, 2^37799949 is an apocalyptic number.

It is an amenable number.

37799949 is a deficient number, since it is larger than the sum of its proper divisors (20583411).

37799949 is a wasteful number, since it uses less digits than its factorization.

37799949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 200 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 57.

The square root of 37799949 is about 6148.1663119991. The cubic root of 37799949 is about 335.6065316901.

The spelling of 37799949 in words is "thirty-seven million, seven hundred ninety-nine thousand, nine hundred forty-nine".