70549357 has 2 divisors, whose sum is σ = 70549358. Its totient is φ = 70549356.

The previous prime is 70549333. The next prime is 70549379. The reversal of 70549357 is 75394507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54597321 + 15952036 = 7389^2 + 3994^2 .

It is a cyclic number.

It is not a de Polignac number, because 70549357 - 2¹⁹ = 70025069 is a prime.

It is a super-2 number, since 2×70549357² = 9954423546226898, 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 (70549757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35274678 + 35274679.

It is an arithmetic number, because the mean of its divisors is an integer number (35274679).

Almost surely, 2^70549357 is an apocalyptic number.

It is an amenable number.

70549357 is a deficient number, since it is larger than the sum of its proper divisors (1).

70549357 is an equidigital number, since it uses as much as digits as its factorization.

70549357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 70549357 is about 8399.3664642043. The cubic root of 70549357 is about 413.2038442078.

The spelling of 70549357 in words is "seventy million, five hundred forty-nine thousand, three hundred fifty-seven".