70501489 has 2 divisors, whose sum is σ = 70501490. Its totient is φ = 70501488.

The previous prime is 70501481. The next prime is 70501537. The reversal of 70501489 is 98410507.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50296464 + 20205025 = 7092^2 + 4495^2 .

It is a cyclic number.

It is not a de Polignac number, because 70501489 - 2³ = 70501481 is a prime.

It is not a weakly prime, because it can be changed into another prime (70501481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35250744 + 35250745.

It is an arithmetic number, because the mean of its divisors is an integer number (35250745).

Almost surely, 2^70501489 is an apocalyptic number.

It is an amenable number.

70501489 is a deficient number, since it is larger than the sum of its proper divisors (1).

70501489 is an equidigital number, since it uses as much as digits as its factorization.

70501489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 70501489 is about 8396.5164800648. The cubic root of 70501489 is about 413.1103696174.

The spelling of 70501489 in words is "seventy million, five hundred one thousand, four hundred eighty-nine".