40370070 has 64 divisors (see below), whose sum is σ = 110496960. Its totient is φ = 9351168.

The previous prime is 40370051. The next prime is 40370089. The reversal of 40370070 is 7007304.

It is an interprime number because it is at equal distance from previous prime (40370051) and next prime (40370089).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3586 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (1726515).

Almost surely, 2^40370070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40370070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55248480).

40370070 is an abundant number, since it is smaller than the sum of its proper divisors (70126890).

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

40370070 is a wasteful number, since it uses less digits than its factorization.

40370070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 40370070 is about 6353.7445652151. The cubic root of 40370070 is about 343.0466380553.

Adding to 40370070 its reverse (7007304), we get a palindrome (47377374).

The spelling of 40370070 in words is "forty million, three hundred seventy thousand, seventy".