61073407 has 2 divisors, whose sum is σ = 61073408. Its totient is φ = 61073406.

The previous prime is 61073393. The next prime is 61073423. The reversal of 61073407 is 70437016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61073407 - 2¹¹ = 61071359 is a prime.

It is a super-2 number, since 2×61073407² = 7459922085175298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61073447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30536703 + 30536704.

It is an arithmetic number, because the mean of its divisors is an integer number (30536704).

Almost surely, 2^61073407 is an apocalyptic number.

61073407 is a deficient number, since it is larger than the sum of its proper divisors (1).

61073407 is an equidigital number, since it uses as much as digits as its factorization.

61073407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 61073407 is about 7814.9476645720. The cubic root of 61073407 is about 393.8075601751.

The spelling of 61073407 in words is "sixty-one million, seventy-three thousand, four hundred seven".