70854540 has 96 divisors (see below), whose sum is σ = 210228480. Its totient is φ = 17799936.

The previous prime is 70854533. The next prime is 70854599. The reversal of 70854540 is 4545807.

It is a super-2 number, since 2×70854540² = 10040731677223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74347 + ... + 75293.

It is an arithmetic number, because the mean of its divisors is an integer number (2189880).

Almost surely, 2^70854540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70854540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105114240).

70854540 is an abundant number, since it is smaller than the sum of its proper divisors (139373940).

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

70854540 is a wasteful number, since it uses less digits than its factorization.

70854540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 70854540 is about 8417.5138847524. The cubic root of 70854540 is about 413.7988006926.

The spelling of 70854540 in words is "seventy million, eight hundred fifty-four thousand, five hundred forty".