78740700 has 36 divisors (see below), whose sum is σ = 227823960. Its totient is φ = 20997440.

The previous prime is 78740687. The next prime is 78740729. The reversal of 78740700 is 704787.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130935 + ... + 131534.

Almost surely, 2^78740700 is an apocalyptic number.

It is an amenable number.

78740700 is an abundant number, since it is smaller than the sum of its proper divisors (149083260).

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

78740700 is a wasteful number, since it uses less digits than its factorization.

78740700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262486 (or 262479 counting only the distinct ones).

The product of its (nonzero) digits is 10976, while the sum is 33.

The square root of 78740700 is about 8873.5956635402. The cubic root of 78740700 is about 428.6140703603.

The spelling of 78740700 in words is "seventy-eight million, seven hundred forty thousand, seven hundred".