76615073 has 8 divisors (see below), whose sum is σ = 81537192. Its totient is φ = 71739136.

The previous prime is 76615061. The next prime is 76615079. The reversal of 76615073 is 37051667.

It can be written as a sum of positive squares in 4 ways, for example, as 59706529 + 16908544 = 7727^2 + 4112^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 76615073 - 2⁴ = 76615057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76615079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8090 + ... + 14787.

It is an arithmetic number, because the mean of its divisors is an integer number (10192149).

Almost surely, 2^76615073 is an apocalyptic number.

It is an amenable number.

76615073 is a deficient number, since it is larger than the sum of its proper divisors (4922119).

76615073 is a wasteful number, since it uses less digits than its factorization.

76615073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23091.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 76615073 is about 8753.0036558886. The cubic root of 76615073 is about 424.7219828784.

The spelling of 76615073 in words is "seventy-six million, six hundred fifteen thousand, seventy-three".