78022630 has 32 divisors (see below), whose sum is σ = 161165376. Its totient is φ = 26640384.

The previous prime is 78022627. The next prime is 78022649. The reversal of 78022630 is 3622087.

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, 15822 + ... + 20158.

It is an arithmetic number, because the mean of its divisors is an integer number (5036418).

Almost surely, 2^78022630 is an apocalyptic number.

78022630 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

78022630 is an abundant number, since it is smaller than the sum of its proper divisors (83142746).

78022630 is a wasteful number, since it uses less digits than its factorization.

78022630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 78022630 is about 8833.0419448795. The cubic root of 78022630 is about 427.3071848008.

The spelling of 78022630 in words is "seventy-eight million, twenty-two thousand, six hundred thirty".