65437070 has 16 divisors (see below), whose sum is σ = 122908320. Its totient is φ = 25036704.

The previous prime is 65437069. The next prime is 65437081. The reversal of 65437070 is 7073456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142025 + ... + 142484.

It is an arithmetic number, because the mean of its divisors is an integer number (7681770).

Almost surely, 2^65437070 is an apocalyptic number.

65437070 is a deficient number, since it is larger than the sum of its proper divisors (57471250).

65437070 is a wasteful number, since it uses less digits than its factorization.

65437070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284539.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 65437070 is about 8089.3182654659. The cubic root of 65437070 is about 402.9717627226.

The spelling of 65437070 in words is "sixty-five million, four hundred thirty-seven thousand, seventy".