78299034 has 16 divisors (see below), whose sum is σ = 170834400. Its totient is φ = 23726960.

The previous prime is 78299027. The next prime is 78299047. The reversal of 78299034 is 43099287.

It is a super-2 number, since 2×78299034² = 12261477450666312, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593109 + ... + 593240.

It is an arithmetic number, because the mean of its divisors is an integer number (10677150).

Almost surely, 2^78299034 is an apocalyptic number.

78299034 is an abundant number, since it is smaller than the sum of its proper divisors (92535366).

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

78299034 is a wasteful number, since it uses less digits than its factorization.

78299034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186365.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 78299034 is about 8848.6741379712. The cubic root of 78299034 is about 427.8111848026.

The spelling of 78299034 in words is "seventy-eight million, two hundred ninety-nine thousand, thirty-four".