70612478 has 4 divisors (see below), whose sum is σ = 105918720. Its totient is φ = 35306238.

The previous prime is 70612469. The next prime is 70612481. The reversal of 70612478 is 87421607.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×70612478² = 9972244098600968, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 17653118 + ... + 17653121.

It is an arithmetic number, because the mean of its divisors is an integer number (26479680).

Almost surely, 2^70612478 is an apocalyptic number.

70612478 is a deficient number, since it is larger than the sum of its proper divisors (35306242).

70612478 is a wasteful number, since it uses less digits than its factorization.

70612478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35306241.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 70612478 is about 8403.1231098919. The cubic root of 70612478 is about 413.3270395908.

The spelling of 70612478 in words is "seventy million, six hundred twelve thousand, four hundred seventy-eight".