70273472 has 14 divisors (see below), whose sum is σ = 139449048. Its totient is φ = 35136704.

The previous prime is 70273451. The next prime is 70273513. The reversal of 70273472 is 27437207.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 548948 + ... + 549075.

Almost surely, 2^70273472 is an apocalyptic number.

It is an amenable number.

70273472 is a deficient number, since it is larger than the sum of its proper divisors (69175576).

70273472 is a wasteful number, since it uses less digits than its factorization.

70273472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098035 (or 1098025 counting only the distinct ones).

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 70273472 is about 8382.9274123065. The cubic root of 70273472 is about 412.6645259830.

The spelling of 70273472 in words is "seventy million, two hundred seventy-three thousand, four hundred seventy-two".