157069740 has 48 divisors (see below), whose sum is σ = 448102368. Its totient is φ = 41094144.

The previous prime is 157069739. The next prime is 157069753. The reversal of 157069740 is 47960751.

157069740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21517 + ... + 27876.

It is an arithmetic number, because the mean of its divisors is an integer number (9335466).

Almost surely, 2^157069740 is an apocalyptic number.

157069740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157069740 is an abundant number, since it is smaller than the sum of its proper divisors (291032628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157069740 is a wasteful number, since it uses less digits than its factorization.

157069740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49458 (or 49456 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 157069740 is about 12532.7467061295. The cubic root of 157069740 is about 539.5489374609.

The spelling of 157069740 in words is "one hundred fifty-seven million, sixty-nine thousand, seven hundred forty".