70423632 has 30 divisors (see below), whose sum is σ = 197088762. Its totient is φ = 23474496.

The previous prime is 70423627. The next prime is 70423643. The reversal of 70423632 is 23632407.

70423632 is a `hidden beast` number, since 7 + 0 + 4 + 23 + 632 = 666.

It can be written as a sum of positive squares in only one way, i.e., 70157376 + 266256 = 8376^2 + 516^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70423596 and 70423605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 244383 + ... + 244670.

Almost surely, 2^70423632 is an apocalyptic number.

70423632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70423632 is an abundant number, since it is smaller than the sum of its proper divisors (126665130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70423632 is a wasteful number, since it uses less digits than its factorization.

70423632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489067 (or 489058 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 70423632 is about 8391.8789314432. The cubic root of 70423632 is about 412.9582433692.

It can be divided in two parts, 704 and 23632, that added together give a square (24336 = 156²).

The spelling of 70423632 in words is "seventy million, four hundred twenty-three thousand, six hundred thirty-two".