70573438 has 16 divisors (see below), whose sum is σ = 114181200. Its totient is φ = 32521536.

The previous prime is 70573421. The next prime is 70573439. The reversal of 70573438 is 83437507.

It is a super-2 number, since 2×70573438² = 9961220302279688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70573397 and 70573406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70573439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18738 + ... + 22186.

It is an arithmetic number, because the mean of its divisors is an integer number (7136325).

Almost surely, 2^70573438 is an apocalyptic number.

70573438 is a deficient number, since it is larger than the sum of its proper divisors (43607762).

70573438 is a wasteful number, since it uses less digits than its factorization.

70573438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 70573438 is about 8400.7998428721. The cubic root of 70573438 is about 413.2508525731.

The spelling of 70573438 in words is "seventy million, five hundred seventy-three thousand, four hundred thirty-eight".