61428274 has 8 divisors (see below), whose sum is σ = 92625408. Its totient is φ = 30553140.

The previous prime is 61428253. The next prime is 61428287. The reversal of 61428274 is 47282416.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80022 + ... + 80785.

It is an arithmetic number, because the mean of its divisors is an integer number (11578176).

Almost surely, 2^61428274 is an apocalyptic number.

61428274 is a deficient number, since it is larger than the sum of its proper divisors (31197134).

61428274 is a wasteful number, since it uses less digits than its factorization.

61428274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161000.

The product of its digits is 21504, while the sum is 34.

The square root of 61428274 is about 7837.6191537992. The cubic root of 61428274 is about 394.5688271683.

The spelling of 61428274 in words is "sixty-one million, four hundred twenty-eight thousand, two hundred seventy-four".