75132989 has 2 divisors, whose sum is σ = 75132990. Its totient is φ = 75132988.

The previous prime is 75132983. The next prime is 75133001. The reversal of 75132989 is 98923157.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70476025 + 4656964 = 8395^2 + 2158^2 .

It is a cyclic number.

It is not a de Polignac number, because 75132989 - 2¹⁶ = 75067453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75132983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37566494 + 37566495.

It is an arithmetic number, because the mean of its divisors is an integer number (37566495).

Almost surely, 2^75132989 is an apocalyptic number.

It is an amenable number.

75132989 is a deficient number, since it is larger than the sum of its proper divisors (1).

75132989 is an equidigital number, since it uses as much as digits as its factorization.

75132989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 44.

The square root of 75132989 is about 8667.9287606671. The cubic root of 75132989 is about 421.9654460600.

The spelling of 75132989 in words is "seventy-five million, one hundred thirty-two thousand, nine hundred eighty-nine".