70794540 has 48 divisors (see below), whose sum is σ = 220251360. Its totient is φ = 18878400.

The previous prime is 70794527. The next prime is 70794553. The reversal of 70794540 is 4549707.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70794527) and next prime (70794553).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 70794495 and 70794504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65011 + ... + 66090.

It is an arithmetic number, because the mean of its divisors is an integer number (4588570).

Almost surely, 2^70794540 is an apocalyptic number.

It is an amenable number.

70794540 is an abundant number, since it is smaller than the sum of its proper divisors (149456820).

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

70794540 is a wasteful number, since it uses less digits than its factorization.

70794540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131119 (or 131111 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70794540 is about 8413.9491322446. The cubic root of 70794540 is about 413.6819653683.

The spelling of 70794540 in words is "seventy million, seven hundred ninety-four thousand, five hundred forty".