70204540 has 48 divisors (see below), whose sum is σ = 173057472. Its totient is φ = 23417856.

The previous prime is 70204529. The next prime is 70204559. The reversal of 70204540 is 4540207.

It is a super-2 number, since 2×70204540² = 9857354873223200, 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 15 ways as a sum of consecutive naturals, for example, 1597 + ... + 11956.

It is an arithmetic number, because the mean of its divisors is an integer number (3605364).

Almost surely, 2^70204540 is an apocalyptic number.

70204540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70204540 is an abundant number, since it is smaller than the sum of its proper divisors (102852932).

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

70204540 is a wasteful number, since it uses less digits than its factorization.

70204540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13606 (or 13604 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 70204540 is about 8378.8149520084. The cubic root of 70204540 is about 412.5295528261.

Adding to 70204540 its reverse (4540207), we get a palindrome (74744747).

The spelling of 70204540 in words is "seventy million, two hundred four thousand, five hundred forty".