61070397 has 16 divisors (see below), whose sum is σ = 83005440. Its totient is φ = 39931632.

The previous prime is 61070377. The next prime is 61070417. The reversal of 61070397 is 79307016.

It is an interprime number because it is at equal distance from previous prime (61070377) and next prime (61070417).

It is not a de Polignac number, because 61070397 - 2¹⁰ = 61069373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61070377) 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, 38808 + ... + 40350.

It is an arithmetic number, because the mean of its divisors is an integer number (5187840).

Almost surely, 2^61070397 is an apocalyptic number.

It is an amenable number.

61070397 is a deficient number, since it is larger than the sum of its proper divisors (21935043).

61070397 is a wasteful number, since it uses less digits than its factorization.

61070397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 7938, while the sum is 33.

The square root of 61070397 is about 7814.7550825346. The cubic root of 61070397 is about 393.8010904731.

The spelling of 61070397 in words is "sixty-one million, seventy thousand, three hundred ninety-seven".