70122071902 has 4 divisors (see below), whose sum is σ = 105183107856. Its totient is φ = 35061035950.

The previous prime is 70122071881. The next prime is 70122071923. The reversal of 70122071902 is 20917022107.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20917022107 = 163 ⋅128325289.

It is an interprime number because it is at equal distance from previous prime (70122071881) and next prime (70122071923).

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, 17530517974 + ... + 17530517977.

It is an arithmetic number, because the mean of its divisors is an integer number (26295776964).

Almost surely, 2^70122071902 is an apocalyptic number.

70122071902 is a deficient number, since it is larger than the sum of its proper divisors (35061035954).

70122071902 is a wasteful number, since it uses less digits than its factorization.

70122071902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35061035953.

The product of its (nonzero) digits is 3528, while the sum is 31.

The spelling of 70122071902 in words is "seventy billion, one hundred twenty-two million, seventy-one thousand, nine hundred two".