61948415 has 8 divisors (see below), whose sum is σ = 74383920. Its totient is φ = 49528192.

The previous prime is 61948373. The next prime is 61948427. The reversal of 61948415 is 51484916.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61948415 is a prime.

It is a super-2 number, since 2×61948415² = 7675212242024450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9047 + ... + 14343.

It is an arithmetic number, because the mean of its divisors is an integer number (9297990).

Almost surely, 2^61948415 is an apocalyptic number.

61948415 is a deficient number, since it is larger than the sum of its proper divisors (12435505).

61948415 is a wasteful number, since it uses less digits than its factorization.

61948415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7641.

The product of its digits is 34560, while the sum is 38.

The square root of 61948415 is about 7870.7315416040. The cubic root of 61948415 is about 395.6793628559.

The spelling of 61948415 in words is "sixty-one million, nine hundred forty-eight thousand, four hundred fifteen".