70249632 has 24 divisors (see below), whose sum is σ = 184405536. Its totient is φ = 23416512.

The previous prime is 70249603. The next prime is 70249633. The reversal of 70249632 is 23694207.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×70249632² = 9870021592270848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 70249593 and 70249602.

It is not an unprimeable number, because it can be changed into a prime (70249633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365788 + ... + 365979.

It is an arithmetic number, because the mean of its divisors is an integer number (7683564).

Almost surely, 2^70249632 is an apocalyptic number.

It is an amenable number.

70249632 is an abundant number, since it is smaller than the sum of its proper divisors (114155904).

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

70249632 is a wasteful number, since it uses less digits than its factorization.

70249632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731780 (or 731772 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 70249632 is about 8381.5053540519. The cubic root of 70249632 is about 412.6178557640.

The spelling of 70249632 in words is "seventy million, two hundred forty-nine thousand, six hundred thirty-two".