62742157 has 2 divisors, whose sum is σ = 62742158. Its totient is φ = 62742156.

The previous prime is 62742149. The next prime is 62742179. The reversal of 62742157 is 75124726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47734281 + 15007876 = 6909^2 + 3874^2 .

It is a cyclic number.

It is not a de Polignac number, because 62742157 - 2³ = 62742149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62742187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31371078 + 31371079.

It is an arithmetic number, because the mean of its divisors is an integer number (31371079).

Almost surely, 2^62742157 is an apocalyptic number.

It is an amenable number.

62742157 is a deficient number, since it is larger than the sum of its proper divisors (1).

62742157 is an equidigital number, since it uses as much as digits as its factorization.

62742157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 62742157 is about 7920.9946976374. The cubic root of 62742157 is about 397.3621361759.

The spelling of 62742157 in words is "sixty-two million, seven hundred forty-two thousand, one hundred fifty-seven".