70540043 has 16 divisors (see below), whose sum is σ = 81774336. Its totient is φ = 59603040.

The previous prime is 70540039. The next prime is 70540061. The reversal of 70540043 is 34004507.

It is not a de Polignac number, because 70540043 - 2² = 70540039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70540013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240605 + ... + 240897.

It is an arithmetic number, because the mean of its divisors is an integer number (5110896).

Almost surely, 2^70540043 is an apocalyptic number.

70540043 is a deficient number, since it is larger than the sum of its proper divisors (11234293).

70540043 is a wasteful number, since it uses less digits than its factorization.

70540043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 70540043 is about 8398.8119993247. The cubic root of 70540043 is about 413.1856595394.

The spelling of 70540043 in words is "seventy million, five hundred forty thousand, forty-three".