78122373 has 8 divisors (see below), whose sum is σ = 119043648. Its totient is φ = 44641344.

The previous prime is 78122353. The next prime is 78122377. The reversal of 78122373 is 37322187.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 78122373 - 2⁹ = 78121861 is a prime.

It is a super-2 number, since 2×78122373² = 12206210326302258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78122377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860036 + ... + 1860077.

It is an arithmetic number, because the mean of its divisors is an integer number (14880456).

Almost surely, 2^78122373 is an apocalyptic number.

It is an amenable number.

78122373 is a deficient number, since it is larger than the sum of its proper divisors (40921275).

78122373 is a wasteful number, since it uses less digits than its factorization.

78122373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720123.

The product of its digits is 14112, while the sum is 33.

The square root of 78122373 is about 8838.6861580215. The cubic root of 78122373 is about 427.4891950349.

The spelling of 78122373 in words is "seventy-eight million, one hundred twenty-two thousand, three hundred seventy-three".