75979007 has 4 divisors (see below), whose sum is σ = 81823560. Its totient is φ = 70134456.

The previous prime is 75979003. The next prime is 75979031. The reversal of 75979007 is 70097957.

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 75979007 - 2² = 75979003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75979003) 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, 2922257 + ... + 2922282.

It is an arithmetic number, because the mean of its divisors is an integer number (20455890).

Almost surely, 2^75979007 is an apocalyptic number.

75979007 is a deficient number, since it is larger than the sum of its proper divisors (5844553).

75979007 is a wasteful number, since it uses less digits than its factorization.

75979007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5844552.

The product of its (nonzero) digits is 138915, while the sum is 44.

The square root of 75979007 is about 8716.5937727991. The cubic root of 75979007 is about 423.5433536741.

The spelling of 75979007 in words is "seventy-five million, nine hundred seventy-nine thousand, seven".