70473501855 has 24 divisors (see below), whose sum is σ = 122185608480. Its totient is φ = 37576163520.

The previous prime is 70473501817. The next prime is 70473501869. The reversal of 70473501855 is 55810537407.

It is a happy number.

70473501855 is a `hidden beast` number, since 70 + 4 + 73 + 501 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 70473501855 - 2⁸ = 70473501599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 70473501855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24220 + ... + 376209.

It is an arithmetic number, because the mean of its divisors is an integer number (5091067020).

Almost surely, 2^70473501855 is an apocalyptic number.

70473501855 is a deficient number, since it is larger than the sum of its proper divisors (51712106625).

70473501855 is a wasteful number, since it uses less digits than its factorization.

70473501855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404351 (or 404348 counting only the distinct ones).

The product of its (nonzero) digits is 588000, while the sum is 45.

The spelling of 70473501855 in words is "seventy billion, four hundred seventy-three million, five hundred one thousand, eight hundred fifty-five".