33764157 has 12 divisors (see below), whose sum is σ = 55737760. Its totient is φ = 19293768.

The previous prime is 33764153. The next prime is 33764173. The reversal of 33764157 is 75146733.

33764157 is a `hidden beast` number, since 3 + 3 + 7 + 641 + 5 + 7 = 666.

It is not a de Polignac number, because 33764157 - 2² = 33764153 is a prime.

It is a super-2 number, since 2×33764157² = 2280036595841298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33764153) 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, 267907 + ... + 268032.

Almost surely, 2^33764157 is an apocalyptic number.

It is an amenable number.

33764157 is a deficient number, since it is larger than the sum of its proper divisors (21973603).

33764157 is a wasteful number, since it uses less digits than its factorization.

33764157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535952 (or 535949 counting only the distinct ones).

The product of its digits is 52920, while the sum is 36.

The square root of 33764157 is about 5810.6933321248. The cubic root of 33764157 is about 323.2103828652.

The spelling of 33764157 in words is "thirty-three million, seven hundred sixty-four thousand, one hundred fifty-seven".