73147870 has 16 divisors (see below), whose sum is σ = 132507648. Its totient is φ = 29072160.

The previous prime is 73147861. The next prime is 73147883. The reversal of 73147870 is 7874137.

It is a super-2 number, since 2×73147870² = 10701221771073800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21726 + ... + 24865.

It is an arithmetic number, because the mean of its divisors is an integer number (8281728).

Almost surely, 2^73147870 is an apocalyptic number.

73147870 is a deficient number, since it is larger than the sum of its proper divisors (59359778).

73147870 is a wasteful number, since it uses less digits than its factorization.

73147870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46755.

The product of its (nonzero) digits is 32928, while the sum is 37.

The square root of 73147870 is about 8552.6528048320. The cubic root of 73147870 is about 418.2159205877.

The spelling of 73147870 in words is "seventy-three million, one hundred forty-seven thousand, eight hundred seventy".