61264470 has 16 divisors (see below), whose sum is σ = 147034800. Its totient is φ = 16337184.

The previous prime is 61264457. The next prime is 61264471. The reversal of 61264470 is 7446216.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2042149 = 61264470 / (6 + 1 + 2 + 6 + 4 + 4 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61264471) 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, 1021045 + ... + 1021104.

It is an arithmetic number, because the mean of its divisors is an integer number (9189675).

Almost surely, 2^61264470 is an apocalyptic number.

61264470 is an abundant number, since it is smaller than the sum of its proper divisors (85770330).

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

61264470 is a wasteful number, since it uses less digits than its factorization.

61264470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042159.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 61264470 is about 7827.1623210459. The cubic root of 61264470 is about 394.2177972479.

The spelling of 61264470 in words is "sixty-one million, two hundred sixty-four thousand, four hundred seventy".