78359073 has 32 divisors (see below), whose sum is σ = 118003200. Its totient is φ = 45916416.

The previous prime is 78359051. The next prime is 78359107. The reversal of 78359073 is 37095387.

It is a de Polignac number, because none of the positive numbers 2^k-78359073 is a prime.

It is a super-2 number, since 2×78359073² = 12280288642838658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78357073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88911 + ... + 89787.

It is an arithmetic number, because the mean of its divisors is an integer number (3687600).

Almost surely, 2^78359073 is an apocalyptic number.

It is an amenable number.

78359073 is a deficient number, since it is larger than the sum of its proper divisors (39644127).

78359073 is a wasteful number, since it uses less digits than its factorization.

78359073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 78359073 is about 8852.0660300294. The cubic root of 78359073 is about 427.9205041309.

The spelling of 78359073 in words is "seventy-eight million, three hundred fifty-nine thousand, seventy-three".