40620070 has 16 divisors (see below), whose sum is σ = 76295520. Its totient is φ = 15541504.

The previous prime is 40620037. The next prime is 40620071. The reversal of 40620070 is 7002604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40620071) 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, 88075 + ... + 88534.

It is an arithmetic number, because the mean of its divisors is an integer number (4768470).

Almost surely, 2^40620070 is an apocalyptic number.

40620070 is a deficient number, since it is larger than the sum of its proper divisors (35675450).

40620070 is a wasteful number, since it uses less digits than its factorization.

40620070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176639.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 40620070 is about 6373.3876392386. The cubic root of 40620070 is about 343.7533103813.

Adding to 40620070 its reverse (7002604), we get a palindrome (47622674).

The spelling of 40620070 in words is "forty million, six hundred twenty thousand, seventy".