2672637157 has 4 divisors (see below), whose sum is σ = 2674407456. Its totient is φ = 2670866860.

The previous prime is 2672637151. The next prime is 2672637181. The reversal of 2672637157 is 7517362762.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2672637157 - 2²³ = 2664248549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2672637151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 882883 + ... + 885904.

It is an arithmetic number, because the mean of its divisors is an integer number (668601864).

Almost surely, 2^2672637157 is an apocalyptic number.

It is an amenable number.

2672637157 is a deficient number, since it is larger than the sum of its proper divisors (1770299).

2672637157 is a wasteful number, since it uses less digits than its factorization.

2672637157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770298.

The product of its digits is 740880, while the sum is 46.

The square root of 2672637157 is about 51697.5546520336. The cubic root of 2672637157 is about 1387.7567039796.

The spelling of 2672637157 in words is "two billion, six hundred seventy-two million, six hundred thirty-seven thousand, one hundred fifty-seven".