76145649 has 8 divisors (see below), whose sum is σ = 101731392. Its totient is φ = 50661840.

The previous prime is 76145627. The next prime is 76145681. The reversal of 76145649 is 94654167.

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

It is not a de Polignac number, because 76145649 - 2⁹ = 76145137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 76145649.

It is not an unprimeable number, because it can be changed into a prime (76145689) 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, 23722 + ... + 26739.

It is an arithmetic number, because the mean of its divisors is an integer number (12716424).

Almost surely, 2^76145649 is an apocalyptic number.

It is an amenable number.

76145649 is a deficient number, since it is larger than the sum of its proper divisors (25585743).

76145649 is a wasteful number, since it uses less digits than its factorization.

76145649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50967.

The product of its digits is 181440, while the sum is 42.

The square root of 76145649 is about 8726.1474317135. The cubic root of 76145649 is about 423.8527749947.

The spelling of 76145649 in words is "seventy-six million, one hundred forty-five thousand, six hundred forty-nine".