78374038 has 8 divisors (see below), whose sum is σ = 118407240. Its totient is φ = 38904960.

The previous prime is 78374033. The next prime is 78374047. The reversal of 78374038 is 83047387.

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

It is a super-2 number, since 2×78374038² = 12284979664850888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78374033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140683 + ... + 141238.

It is an arithmetic number, because the mean of its divisors is an integer number (14800905).

Almost surely, 2^78374038 is an apocalyptic number.

78374038 is a deficient number, since it is larger than the sum of its proper divisors (40033202).

78374038 is a wasteful number, since it uses less digits than its factorization.

78374038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282062.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 78374038 is about 8852.9112725702. The cubic root of 78374038 is about 427.9477437875.

The spelling of 78374038 in words is "seventy-eight million, three hundred seventy-four thousand, thirty-eight".