70557461 has 4 divisors (see below), whose sum is σ = 75984972. Its totient is φ = 65129952.

The previous prime is 70557439. The next prime is 70557479. The reversal of 70557461 is 16475507.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4866436 + 65691025 = 2206^2 + 8105^2 .

It is a cyclic number.

It is not a de Polignac number, because 70557461 - 2¹⁴ = 70541077 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70557061) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2713736 + ... + 2713761.

It is an arithmetic number, because the mean of its divisors is an integer number (18996243).

Almost surely, 2^70557461 is an apocalyptic number.

It is an amenable number.

70557461 is a deficient number, since it is larger than the sum of its proper divisors (5427511).

70557461 is a wasteful number, since it uses less digits than its factorization.

70557461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5427510.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 70557461 is about 8399.8488676880. The cubic root of 70557461 is about 413.2196651682.

The spelling of 70557461 in words is "seventy million, five hundred fifty-seven thousand, four hundred sixty-one".