78432060 has 48 divisors (see below), whose sum is σ = 250983936. Its totient is φ = 17927232.

The previous prime is 78432059. The next prime is 78432071. The reversal of 78432060 is 6023487.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 92952 + ... + 93791.

It is an arithmetic number, because the mean of its divisors is an integer number (5228832).

Almost surely, 2^78432060 is an apocalyptic number.

78432060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

78432060 is an abundant number, since it is smaller than the sum of its proper divisors (172551876).

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

78432060 is a wasteful number, since it uses less digits than its factorization.

78432060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186762 (or 186760 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 78432060 is about 8856.1876673883. The cubic root of 78432060 is about 428.0533240692.

The spelling of 78432060 in words is "seventy-eight million, four hundred thirty-two thousand, sixty".