542478672 has 60 divisors (see below), whose sum is σ = 1567173504. Its totient is φ = 174991680.

The previous prime is 542478661. The next prime is 542478683. The reversal of 542478672 is 276874245.

It is a happy number.

542478672 is a `hidden beast` number, since 542 + 47 + 8 + 67 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (542478661) and next prime (542478683).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56298 + ... + 65225.

Almost surely, 2^542478672 is an apocalyptic number.

It is an amenable number.

542478672 is an abundant number, since it is smaller than the sum of its proper divisors (1024694832).

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

542478672 is a wasteful number, since it uses less digits than its factorization.

542478672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121568 (or 121559 counting only the distinct ones).

The product of its digits is 752640, while the sum is 45.

The square root of 542478672 is about 23291.1715463177. The cubic root of 542478672 is about 815.5693373385.

The spelling of 542478672 in words is "five hundred forty-two million, four hundred seventy-eight thousand, six hundred seventy-two".