670653332 has 24 divisors (see below), whose sum is σ = 1254997800. Its totient is φ = 312473600.

The previous prime is 670653331. The next prime is 670653353. The reversal of 670653332 is 233356076.

It can be written as a sum of positive squares in 4 ways, for example, as 478996996 + 191656336 = 21886^2 + 13844^2 .

It is a junction number, because it is equal to n+sod(n) for n = 670653292 and 670653301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670653331) 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, 41957 + ... + 55692.

It is an arithmetic number, because the mean of its divisors is an integer number (52291575).

Almost surely, 2^670653332 is an apocalyptic number.

It is an amenable number.

670653332 is a deficient number, since it is larger than the sum of its proper divisors (584344468).

670653332 is a wasteful number, since it uses less digits than its factorization.

670653332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97771 (or 97769 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 35.

The square root of 670653332 is about 25896.9753446228. The cubic root of 670653332 is about 875.3183416366.

The spelling of 670653332 in words is "six hundred seventy million, six hundred fifty-three thousand, three hundred thirty-two".