61220467 has 8 divisors (see below), whose sum is σ = 76326912. Its totient is φ = 47704200.

The previous prime is 61220407. The next prime is 61220473. The reversal of 61220467 is 76402216.

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

It is a cyclic number.

It is not a de Polignac number, because 61220467 - 2¹¹ = 61218419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61220407) 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, 397459 + ... + 397612.

It is an arithmetic number, because the mean of its divisors is an integer number (9540864).

Almost surely, 2^61220467 is an apocalyptic number.

61220467 is a deficient number, since it is larger than the sum of its proper divisors (15106445).

61220467 is a wasteful number, since it uses less digits than its factorization.

61220467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795089.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 61220467 is about 7824.3508995954. The cubic root of 61220467 is about 394.1233927724.

The spelling of 61220467 in words is "sixty-one million, two hundred twenty thousand, four hundred sixty-seven".