78037734 has 8 divisors (see below), whose sum is σ = 156075480. Its totient is φ = 26012576.

The previous prime is 78037723. The next prime is 78037759. The reversal of 78037734 is 43773087.

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

78037734 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 78037692 and 78037701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6503139 + ... + 6503150.

It is an arithmetic number, because the mean of its divisors is an integer number (19509435).

Almost surely, 2^78037734 is an apocalyptic number.

78037734 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

78037734 is a wasteful number, since it uses less digits than its factorization.

78037734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13006294.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 78037734 is about 8833.8968751056. The cubic root of 78037734 is about 427.3347564224.

The spelling of 78037734 in words is "seventy-eight million, thirty-seven thousand, seven hundred thirty-four".