79450061 has 12 divisors (see below), whose sum is σ = 85389012. Its totient is φ = 73668096.

The previous prime is 79450043. The next prime is 79450067. The reversal of 79450061 is 16005497.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 12292036 + 67158025 = 3506^2 + 8195^2 .

It is not a de Polignac number, because 79450061 - 2¹⁰ = 79449037 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 (79450067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90155 + ... + 91031.

It is an arithmetic number, because the mean of its divisors is an integer number (7115751).

Almost surely, 2^79450061 is an apocalyptic number.

It is an amenable number.

79450061 is a deficient number, since it is larger than the sum of its proper divisors (5938951).

79450061 is an equidigital number, since it uses as much as digits as its factorization.

79450061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 79450061 is about 8913.4763700814. The cubic root of 79450061 is about 429.8973272080.

The spelling of 79450061 in words is "seventy-nine million, four hundred fifty thousand, sixty-one".