76138007 has 4 divisors (see below), whose sum is σ = 83059656. Its totient is φ = 69216360.

The previous prime is 76138003. The next prime is 76138031. The reversal of 76138007 is 70083167.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76138007 - 2² = 76138003 is a prime.

It is a super-2 number, since 2×76138007² = 11593992219864098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76138003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460808 + ... + 3460829.

It is an arithmetic number, because the mean of its divisors is an integer number (20764914).

Almost surely, 2^76138007 is an apocalyptic number.

76138007 is a deficient number, since it is larger than the sum of its proper divisors (6921649).

76138007 is a wasteful number, since it uses less digits than its factorization.

76138007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6921648.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 76138007 is about 8725.7095413496. The cubic root of 76138007 is about 423.8385951901.

The spelling of 76138007 in words is "seventy-six million, one hundred thirty-eight thousand, seven".