70873940 has 48 divisors (see below), whose sum is σ = 152373312. Its totient is φ = 27684096.

The previous prime is 70873937. The next prime is 70873951. The reversal of 70873940 is 4937807.

It is a super-2 number, since 2×70873940² = 10046230742247200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70873894 and 70873903.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304064 + ... + 304296.

It is an arithmetic number, because the mean of its divisors is an integer number (3174444).

Almost surely, 2^70873940 is an apocalyptic number.

It is an amenable number.

70873940 is an abundant number, since it is smaller than the sum of its proper divisors (81499372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70873940 is a wasteful number, since it uses less digits than its factorization.

70873940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 70873940 is about 8418.6661651357. Note that the first 3 decimals coincide. The cubic root of 70873940 is about 413.8365633360.

The spelling of 70873940 in words is "seventy million, eight hundred seventy-three thousand, nine hundred forty".