70544534 has 4 divisors (see below), whose sum is σ = 105816804. Its totient is φ = 35272266.

The previous prime is 70544531. The next prime is 70544567. The reversal of 70544534 is 43544507.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70544534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70544531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17636132 + ... + 17636135.

It is an arithmetic number, because the mean of its divisors is an integer number (26454201).

Almost surely, 2^70544534 is an apocalyptic number.

70544534 is a deficient number, since it is larger than the sum of its proper divisors (35272270).

70544534 is a wasteful number, since it uses less digits than its factorization.

70544534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35272269.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 70544534 is about 8399.0793543102. The cubic root of 70544534 is about 413.1944279748.

The spelling of 70544534 in words is "seventy million, five hundred forty-four thousand, five hundred thirty-four".