70910618 has 4 divisors (see below), whose sum is σ = 106365930. Its totient is φ = 35455308.

The previous prime is 70910617. The next prime is 70910627. The reversal of 70910618 is 81601907.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81601907 = 23 ⋅3547909.

It can be written as a sum of positive squares in only one way, i.e., 67289209 + 3621409 = 8203^2 + 1903^2 .

It is not an unprimeable number, because it can be changed into a prime (70910617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17727653 + ... + 17727656.

Almost surely, 2^70910618 is an apocalyptic number.

70910618 is a deficient number, since it is larger than the sum of its proper divisors (35455312).

70910618 is a wasteful number, since it uses less digits than its factorization.

70910618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35455311.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 70910618 is about 8420.8442569614. The cubic root of 70910618 is about 413.9079392646.

The spelling of 70910618 in words is "seventy million, nine hundred ten thousand, six hundred eighteen".