78343092 has 24 divisors (see below), whose sum is σ = 203112000. Its totient is φ = 26114328.

The previous prime is 78343073. The next prime is 78343103. The reversal of 78343092 is 29034387.

It is a super-2 number, since 2×78343092² = 12275280128240928, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362592 + ... + 362807.

It is an arithmetic number, because the mean of its divisors is an integer number (8463000).

Almost surely, 2^78343092 is an apocalyptic number.

It is an amenable number.

78343092 is an abundant number, since it is smaller than the sum of its proper divisors (124768908).

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

78343092 is a wasteful number, since it uses less digits than its factorization.

78343092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725412 (or 725404 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 78343092 is about 8851.1633133730. The cubic root of 78343092 is about 427.8914112968.

The spelling of 78343092 in words is "seventy-eight million, three hundred forty-three thousand, ninety-two".