40694070 has 64 divisors (see below), whose sum is σ = 100880640. Its totient is φ = 10501248.

The previous prime is 40694033. The next prime is 40694077. The reversal of 40694070 is 7049604.

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 (40694077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146772 + ... + 147048.

It is an arithmetic number, because the mean of its divisors is an integer number (1576260).

Almost surely, 2^40694070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40694070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50440320).

40694070 is an abundant number, since it is smaller than the sum of its proper divisors (60186570).

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

40694070 is a wasteful number, since it uses less digits than its factorization.

40694070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40694070 is about 6379.1903875022. The cubic root of 40694070 is about 343.9619290390.

The spelling of 40694070 in words is "forty million, six hundred ninety-four thousand, seventy".