70473431 has 8 divisors (see below), whose sum is σ = 82414464. Its totient is φ = 59000760.

The previous prime is 70473421. The next prime is 70473433. The reversal of 70473431 is 13437407.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70473431 - 2¹⁸ = 70211287 is a prime.

It is a super-2 number, since 2×70473431² = 9933008953823522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70473394 and 70473403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70473433) 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, 116765 + ... + 117366.

It is an arithmetic number, because the mean of its divisors is an integer number (10301808).

Almost surely, 2^70473431 is an apocalyptic number.

70473431 is a deficient number, since it is larger than the sum of its proper divisors (11941033).

70473431 is a wasteful number, since it uses less digits than its factorization.

70473431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234181.

The product of its (nonzero) digits is 7056, while the sum is 29.

The square root of 70473431 is about 8394.8455018541. The cubic root of 70473431 is about 413.0555594807.

The spelling of 70473431 in words is "seventy million, four hundred seventy-three thousand, four hundred thirty-one".