542961720 has 96 divisors (see below), whose sum is σ = 2016724320. Its totient is φ = 124104960.

The previous prime is 542961701. The next prime is 542961761. The reversal of 542961720 is 27169245.

542961720 is a `hidden beast` number, since 542 + 96 + 1 + 7 + 20 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105211 + ... + 110250.

It is an arithmetic number, because the mean of its divisors is an integer number (21007545).

Almost surely, 2^542961720 is an apocalyptic number.

It is an amenable number.

542961720 is an abundant number, since it is smaller than the sum of its proper divisors (1473762600).

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

542961720 is a wasteful number, since it uses less digits than its factorization.

542961720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215485 (or 215478 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 542961720 is about 23301.5390049670. The cubic root of 542961720 is about 815.8113390258.

The spelling of 542961720 in words is "five hundred forty-two million, nine hundred sixty-one thousand, seven hundred twenty".