78413022 has 40 divisors (see below), whose sum is σ = 176879736. Its totient is φ = 25962768.

The previous prime is 78413011. The next prime is 78413029. The reversal of 78413022 is 22031487.

It is a super-2 number, since 2×78413022² = 12297204038344968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78413029) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23893 + ... + 26975.

Almost surely, 2^78413022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78413022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88439868).

78413022 is an abundant number, since it is smaller than the sum of its proper divisors (98466714).

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

78413022 is a wasteful number, since it uses less digits than its factorization.

78413022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3245 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 78413022 is about 8855.1127604339. The cubic root of 78413022 is about 428.0186871335.

The spelling of 78413022 in words is "seventy-eight million, four hundred thirteen thousand, twenty-two".