78373541 has 8 divisors (see below), whose sum is σ = 79307424. Its totient is φ = 77443600.

The previous prime is 78373517. The next prime is 78373571. The reversal of 78373541 is 14537387.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-78373541 is a prime.

It is a super-2 number, since 2×78373541² = 12284823857757362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78373495 and 78373504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78373571) 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, 59591 + ... + 60891.

It is an arithmetic number, because the mean of its divisors is an integer number (9913428).

Almost surely, 2^78373541 is an apocalyptic number.

It is an amenable number.

78373541 is a deficient number, since it is larger than the sum of its proper divisors (933883).

78373541 is a wasteful number, since it uses less digits than its factorization.

78373541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971.

The product of its digits is 70560, while the sum is 38.

The square root of 78373541 is about 8852.8832026634. The cubic root of 78373541 is about 427.9468391917.

The spelling of 78373541 in words is "seventy-eight million, three hundred seventy-three thousand, five hundred forty-one".