78364037 has 8 divisors (see below), whose sum is σ = 82838400. Its totient is φ = 73924704.

The previous prime is 78364021. The next prime is 78364073. The reversal of 78364037 is 73046387.

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

It is a cyclic number.

It is not a de Polignac number, because 78364037 - 2⁴ = 78364021 is a prime.

It is a super-2 number, since 2×78364037² = 12281844589874738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78364337) 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, 4088 + ... + 13169.

It is an arithmetic number, because the mean of its divisors is an integer number (10354800).

Almost surely, 2^78364037 is an apocalyptic number.

It is an amenable number.

78364037 is a deficient number, since it is larger than the sum of its proper divisors (4474363).

78364037 is a wasteful number, since it uses less digits than its factorization.

78364037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17515.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 78364037 is about 8852.3464121102. The cubic root of 78364037 is about 427.9295401087.

The spelling of 78364037 in words is "seventy-eight million, three hundred sixty-four thousand, thirty-seven".