64906070 has 32 divisors (see below), whose sum is σ = 119672640. Its totient is φ = 25338880.

The previous prime is 64906043. The next prime is 64906073. The reversal of 64906070 is 7060946.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64906073) 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, 79826 + ... + 80634.

It is an arithmetic number, because the mean of its divisors is an integer number (3739770).

Almost surely, 2^64906070 is an apocalyptic number.

64906070 is a deficient number, since it is larger than the sum of its proper divisors (54766570).

64906070 is a wasteful number, since it uses less digits than its factorization.

64906070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 64906070 is about 8056.4303509681. The cubic root of 64906070 is about 401.8788072251.

The spelling of 64906070 in words is "sixty-four million, nine hundred six thousand, seventy".