78367674 has 32 divisors (see below), whose sum is σ = 195411456. Its totient is φ = 20355120.

The previous prime is 78367651. The next prime is 78367691. The reversal of 78367674 is 47676387.

It is a super-2 number, since 2×78367674² = 12282984656340552, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

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, 84352 + ... + 85275.

It is an arithmetic number, because the mean of its divisors is an integer number (6106608).

Almost surely, 2^78367674 is an apocalyptic number.

78367674 is an abundant number, since it is smaller than the sum of its proper divisors (117043782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78367674 is a wasteful number, since it uses less digits than its factorization.

78367674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169650.

The product of its digits is 1185408, while the sum is 48.

The square root of 78367674 is about 8852.5518354879. The cubic root of 78367674 is about 427.9361603039.

The spelling of 78367674 in words is "seventy-eight million, three hundred sixty-seven thousand, six hundred seventy-four".