78248032 has 24 divisors (see below), whose sum is σ = 159364800. Its totient is φ = 37774464.

The previous prime is 78248029. The next prime is 78248039. The reversal of 78248032 is 23084287.

It is a super-2 number, since 2×78248032² = 12245509023746048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78248039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41232 + ... + 43087.

It is an arithmetic number, because the mean of its divisors is an integer number (6640200).

Almost surely, 2^78248032 is an apocalyptic number.

It is an amenable number.

78248032 is an abundant number, since it is smaller than the sum of its proper divisors (81116768).

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

78248032 is a wasteful number, since it uses less digits than its factorization.

78248032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84358 (or 84350 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 78248032 is about 8845.7917678408. The cubic root of 78248032 is about 427.7182761840.

The spelling of 78248032 in words is "seventy-eight million, two hundred forty-eight thousand, thirty-two".