157630773 has 8 divisors (see below), whose sum is σ = 215300736. Its totient is φ = 102524000.

The previous prime is 157630769. The next prime is 157630787. The reversal of 157630773 is 377036751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157630773 - 2² = 157630769 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157630703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640653 + ... + 640898.

It is an arithmetic number, because the mean of its divisors is an integer number (26912592).

Almost surely, 2^157630773 is an apocalyptic number.

It is an amenable number.

157630773 is a deficient number, since it is larger than the sum of its proper divisors (57669963).

157630773 is a wasteful number, since it uses less digits than its factorization.

157630773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281595.

The product of its (nonzero) digits is 92610, while the sum is 39.

The square root of 157630773 is about 12555.1094379938. The cubic root of 157630773 is about 540.1905740251.

The spelling of 157630773 in words is "one hundred fifty-seven million, six hundred thirty thousand, seven hundred seventy-three".