61028670 has 32 divisors (see below), whose sum is σ = 148874400. Its totient is φ = 16007040.

The previous prime is 61028663. The next prime is 61028687. The reversal of 61028670 is 7682016.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14845 + ... + 18504.

It is an arithmetic number, because the mean of its divisors is an integer number (4652325).

Almost surely, 2^61028670 is an apocalyptic number.

61028670 is an abundant number, since it is smaller than the sum of its proper divisors (87845730).

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

61028670 is a wasteful number, since it uses less digits than its factorization.

61028670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33420.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 61028670 is about 7812.0848689706. The cubic root of 61028670 is about 393.7113804400.

The spelling of 61028670 in words is "sixty-one million, twenty-eight thousand, six hundred seventy".