40670670 has 32 divisors (see below), whose sum is σ = 101855232. Its totient is φ = 10373792.

The previous prime is 40670657. The next prime is 40670671. The reversal of 40670670 is 7607604.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28782 + ... + 30161.

It is an arithmetic number, because the mean of its divisors is an integer number (3182976).

Almost surely, 2^40670670 is an apocalyptic number.

40670670 is an abundant number, since it is smaller than the sum of its proper divisors (61184562).

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

40670670 is a wasteful number, since it uses less digits than its factorization.

40670670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58976.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 40670670 is about 6377.3560352234. The cubic root of 40670670 is about 343.8959877986.

The spelling of 40670670 in words is "forty million, six hundred seventy thousand, six hundred seventy".