78293134 has 8 divisors (see below), whose sum is σ = 119365128. Its totient is φ = 38504760.

The previous prime is 78293123. The next prime is 78293207. The reversal of 78293134 is 43139287.

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

It is a super-2 number, since 2×78293134² = 12259629663083912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78293093 and 78293102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320752 + ... + 320995.

It is an arithmetic number, because the mean of its divisors is an integer number (14920641).

Almost surely, 2^78293134 is an apocalyptic number.

78293134 is a deficient number, since it is larger than the sum of its proper divisors (41071994).

78293134 is a wasteful number, since it uses less digits than its factorization.

78293134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641810.

The product of its digits is 36288, while the sum is 37.

The square root of 78293134 is about 8848.3407484115. The cubic root of 78293134 is about 427.8004390361.

The spelling of 78293134 in words is "seventy-eight million, two hundred ninety-three thousand, one hundred thirty-four".