75713557 has 2 divisors, whose sum is σ = 75713558. Its totient is φ = 75713556.

The previous prime is 75713543. The next prime is 75713587. The reversal of 75713557 is 75531757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42432196 + 33281361 = 6514^2 + 5769^2 .

It is a cyclic number.

It is not a de Polignac number, because 75713557 - 2¹⁵ = 75680789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75713587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37856778 + 37856779.

It is an arithmetic number, because the mean of its divisors is an integer number (37856779).

Almost surely, 2^75713557 is an apocalyptic number.

It is an amenable number.

75713557 is a deficient number, since it is larger than the sum of its proper divisors (1).

75713557 is an equidigital number, since it uses as much as digits as its factorization.

75713557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128625, while the sum is 40.

The square root of 75713557 is about 8701.3537452514. The cubic root of 75713557 is about 423.0495296771.

It can be divided in two parts, 757135 and 57, that multiplied together give a triangular number (43156695 = T₉₂₉₀).

The spelling of 75713557 in words is "seventy-five million, seven hundred thirteen thousand, five hundred fifty-seven".