70693090 has 16 divisors (see below), whose sum is σ = 137036088. Its totient is φ = 26102016.

The previous prime is 70693087. The next prime is 70693109. The reversal of 70693090 is 9039607.

It can be written as a sum of positive squares in 4 ways, for example, as 45603009 + 25090081 = 6753^2 + 5009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271767 + ... + 272026.

Almost surely, 2^70693090 is an apocalyptic number.

70693090 is a deficient number, since it is larger than the sum of its proper divisors (66342998).

70693090 is a wasteful number, since it uses less digits than its factorization.

70693090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543813.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 70693090 is about 8407.9182917057. The cubic root of 70693090 is about 413.4842660430.

The spelling of 70693090 in words is "seventy million, six hundred ninety-three thousand, ninety".