70472894 has 4 divisors (see below), whose sum is σ = 105709344. Its totient is φ = 35236446.

The previous prime is 70472839. The next prime is 70472917. The reversal of 70472894 is 49827407.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17618222 + ... + 17618225.

It is an arithmetic number, because the mean of its divisors is an integer number (26427336).

Almost surely, 2^70472894 is an apocalyptic number.

70472894 is a deficient number, since it is larger than the sum of its proper divisors (35236450).

70472894 is a wasteful number, since it uses less digits than its factorization.

70472894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35236449.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 70472894 is about 8394.8135178811. The cubic root of 70472894 is about 413.0545103317.

The spelling of 70472894 in words is "seventy million, four hundred seventy-two thousand, eight hundred ninety-four".