75949013 has 16 divisors (see below), whose sum is σ = 95904000. Its totient is φ = 58603776.

The previous prime is 75949001. The next prime is 75949021. The reversal of 75949013 is 31094957.

It is a happy number.

It is not a de Polignac number, because 75949013 - 2⁴ = 75948997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75949033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11138 + ... + 16611.

It is an arithmetic number, because the mean of its divisors is an integer number (5994000).

Almost surely, 2^75949013 is an apocalyptic number.

It is an amenable number.

75949013 is a deficient number, since it is larger than the sum of its proper divisors (19954987).

75949013 is a wasteful number, since it uses less digits than its factorization.

75949013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27796.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 75949013 is about 8714.8730914455. The cubic root of 75949013 is about 423.4876127008.

The spelling of 75949013 in words is "seventy-five million, nine hundred forty-nine thousand, thirteen".