49072579 has 2 divisors, whose sum is σ = 49072580. Its totient is φ = 49072578.

The previous prime is 49072577. The next prime is 49072607. The reversal of 49072579 is 97527094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49072579 - 2¹ = 49072577 is a prime.

It is a super-2 number, since 2×49072579² = 4816236019422482, which contains 22 as substring.

Together with 49072577, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (49072577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24536289 + 24536290.

It is an arithmetic number, because the mean of its divisors is an integer number (24536290).

Almost surely, 2^49072579 is an apocalyptic number.

49072579 is a deficient number, since it is larger than the sum of its proper divisors (1).

49072579 is an equidigital number, since it uses as much as digits as its factorization.

49072579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 49072579 is about 7005.1822959863. The cubic root of 49072579 is about 366.1111544897. Note that the first 4 decimals are identical.

The spelling of 49072579 in words is "forty-nine million, seventy-two thousand, five hundred seventy-nine".