70432380 has 36 divisors (see below), whose sum is σ = 213645432. Its totient is φ = 18781920.

The previous prime is 70432339. The next prime is 70432391. The reversal of 70432380 is 8323407.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 195466 + ... + 195825.

Almost surely, 2^70432380 is an apocalyptic number.

It is an amenable number.

70432380 is an abundant number, since it is smaller than the sum of its proper divisors (143213052).

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

70432380 is a wasteful number, since it uses less digits than its factorization.

70432380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391306 (or 391301 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 70432380 is about 8392.4001334541. The cubic root of 70432380 is about 412.9753418395.

Adding to 70432380 its reverse (8323407), we get a palindrome (78755787).

The spelling of 70432380 in words is "seventy million, four hundred thirty-two thousand, three hundred eighty".