78252060 has 48 divisors (see below), whose sum is σ = 226179072. Its totient is φ = 20193600.

The previous prime is 78252059. The next prime is 78252101. The reversal of 78252060 is 6025287.

It is a super-2 number, since 2×78252060² = 12246769788487200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

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, 19176 + ... + 22895.

It is an arithmetic number, because the mean of its divisors is an integer number (4712064).

Almost surely, 2^78252060 is an apocalyptic number.

It is an amenable number.

78252060 is an abundant number, since it is smaller than the sum of its proper divisors (147927012).

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

78252060 is a wasteful number, since it uses less digits than its factorization.

78252060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42114 (or 42112 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 78252060 is about 8846.0194437950. The cubic root of 78252060 is about 427.7256153234.

The spelling of 78252060 in words is "seventy-eight million, two hundred fifty-two thousand, sixty".