70516090 has 32 divisors (see below), whose sum is σ = 129407040. Its totient is φ = 27661824.

The previous prime is 70516057. The next prime is 70516123. The reversal of 70516090 is 9061507.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70516057) and next prime (70516123).

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 134569 + ... + 135091.

It is an arithmetic number, because the mean of its divisors is an integer number (4043970).

Almost surely, 2^70516090 is an apocalyptic number.

70516090 is a deficient number, since it is larger than the sum of its proper divisors (58890950).

70516090 is a wasteful number, since it uses less digits than its factorization.

70516090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 70516090 is about 8397.3859027676. The cubic root of 70516090 is about 413.1388863114.

Adding to 70516090 its reverse (9061507), we get a palindrome (79577597).

The spelling of 70516090 in words is "seventy million, five hundred sixteen thousand, ninety".