78083733 has 32 divisors (see below), whose sum is σ = 128800000. Its totient is φ = 40974336.

The previous prime is 78083701. The next prime is 78083767. The reversal of 78083733 is 33738087.

It is not a de Polignac number, because 78083733 - 2⁵ = 78083701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 8837-th Hogben number.

It is a junction number, because it is equal to n+sod(n) for n = 78083691 and 78083700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78083773) by changing a digit.

It is a nontrivial repunit in base 8836.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61893 + ... + 63141.

It is an arithmetic number, because the mean of its divisors is an integer number (4025000).

Almost surely, 2^78083733 is an apocalyptic number.

It is an amenable number.

78083733 is a deficient number, since it is larger than the sum of its proper divisors (50716267).

78083733 is a wasteful number, since it uses less digits than its factorization.

78083733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 78083733 is about 8836.5000424376. The cubic root of 78083733 is about 427.4187034631.

The spelling of 78083733 in words is "seventy-eight million, eighty-three thousand, seven hundred thirty-three".