162745740 has 48 divisors (see below), whose sum is σ = 506321760. Its totient is φ = 43398720.

The previous prime is 162745699. The next prime is 162745741. The reversal of 162745740 is 47547261.

162745740 is a `hidden beast` number, since 16 + 2 + 74 + 574 + 0 = 666.

162745740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 162745695 and 162745704.

It is not an unprimeable number, because it can be changed into a prime (162745741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150151 + ... + 151230.

It is an arithmetic number, because the mean of its divisors is an integer number (10548370).

Almost surely, 2^162745740 is an apocalyptic number.

162745740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

162745740 is an abundant number, since it is smaller than the sum of its proper divisors (343576020).

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

162745740 is a wasteful number, since it uses less digits than its factorization.

162745740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301399 (or 301391 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 162745740 is about 12757.1838585167. The cubic root of 162745740 is about 545.9713787678.

The spelling of 162745740 in words is "one hundred sixty-two million, seven hundred forty-five thousand, seven hundred forty".